McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Mechanical Engineering .
Chapters
| 151. |
In Beizer Curve, the flexibility of the shape would increase with _______ of the polygon. |
| A. | decrease in the number of vertices |
| B. | increase in the number of vertices |
| C. | decrease in control points |
| D. | none of the above |
| Answer» B. increase in the number of vertices | |
| 152. |
The degree of the curve is independent of the number of control points in _____ |
| A. | Hermite cubic spline curve |
| B. | Bezier curve |
| C. | B-spline curve |
| D. | Hyperbola |
| Answer» C. B-spline curve | |
| 153. |
In modeling of a tabulated cylinder, the plane of the curve is _______ |
| A. | along the curve |
| B. | normal to the curve |
| C. | along the axis of the cylinder |
| D. | perpendicular to the axis of the cylinder |
| Answer» D. perpendicular to the axis of the cylinder | |
| 154. |
The ___________ is used to create a surface using curves that form closed boundaries |
| A. | ruled Surface |
| B. | plane Surface |
| C. | coons patch |
| D. | surface of Revolution |
| Answer» C. coons patch | |
| 155. |
________ command gives an array of object in 3D modeling |
| A. | Extrude |
| B. | Revolve |
| C. | Pattern |
| D. | All of the above |
| Answer» C. Pattern | |
| 156. |
To create a hollow part, which of the following command would be most efficient |
| A. | Extrude |
| B. | Sweep |
| C. | Shell |
| D. | Revolve |
| Answer» C. Shell | |
| 157. |
A cylinder can be created by drawing a rectangular shape using the ________ tool. |
| A. | revolve |
| B. | sweep |
| C. | extrude |
| D. | all of the above |
| Answer» A. revolve | |
| 158. |
For 3D modeling of automobile body styling, which of the following is a preferred technique |
| A. | Constructive Solid Geometry |
| B. | Pure Primitive Instancing |
| C. | Boundary Representation |
| D. | Spatial Occupancy Enumeration |
| Answer» C. Boundary Representation | |
| 159. |
What is the full form of FEA |
| A. | Fracture Element Analysis |
| B. | Finite Element Analysis |
| C. | Future Electronic Analysis |
| D. | None of the above |
| Answer» B. Finite Element Analysis | |
| 160. |
From the following, which type of element is not two dimensional? |
| A. | Tetrahedron |
| B. | Quadrilateral |
| C. | Parallelogram |
| D. | Rectangle |
| Answer» A. Tetrahedron | |
| 161. |
For truss analysis, which type of elements is used? |
| A. | Triangle |
| B. | Parallelogram |
| C. | Rectangle |
| D. | Bar |
| Answer» D. Bar | |
| 162. |
To solve the FEM problem, it subdivides a large problem into smaller, simpler parts that are called |
| A. | static elements |
| B. | dynamic elements |
| C. | infinite elements |
| D. | finite elements |
| Answer» D. finite elements | |
| 163. |
The art of subdividing the structure into a convenient number of smaller elements is known as |
| A. | discretization |
| B. | assemblage |
| C. | continuum |
| D. | traction |
| Answer» A. discretization | |
| 164. |
The sum of the shape function is equal to |
| A. | 0 |
| B. | 0.5 |
| C. | 1 |
| D. | 2 |
| Answer» C. 1 | |
| 165. |
A triangular plane stress element has how many degrees of freedom? |
| A. | 3 |
| B. | 4 |
| C. | 5 |
| D. | 6 |
| Answer» D. 6 | |
| 166. |
Number of displacement polynomials used for an element depends on . |
| A. | nature of element |
| B. | type of an element |
| C. | degrees of freedom |
| D. | nodes |
| Answer» C. degrees of freedom | |
| 167. |
On gathering stiffness and loads, the system of equations is given by |
| A. | KQ=F |
| B. | KQ≠F |
| C. | K=QF |
| D. | K≠QF |
| Answer» A. KQ=F | |
| 168. |
The finite element method is mostly used in the field of |
| A. | structural mechanics |
| B. | classical mechanics |
| C. | applied mechanics |
| D. | engineering mechanics |
| Answer» D. engineering mechanics | |
| 169. |
In FEA, the sub domains are called as . |
| A. | particles |
| B. | molecules |
| C. | elements |
| D. | none |
| Answer» C. elements | |
| 170. |
The numbers of node for 1 D element are |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 0 |
| Answer» B. 2 | |
| 171. |
Finite element analysis deals with . |
| A. | approximate numerical solution |
| B. | non-boundary value problems |
| C. | Laplace equations |
| D. | All of the above |
| Answer» A. approximate numerical solution | |
| 172. |
Stiffness matrix depends on |
| A. | material |
| B. | geometry |
| C. | both material and geometry |
| D. | none of the above |
| Answer» C. both material and geometry | |
| 173. |
Example of 2-D Element is . |
| A. | bar |
| B. | triangle |
| C. | hexahedron |
| D. | tetrahedron |
| Answer» B. triangle | |
| 174. |
For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed is having an order of |
| A. | 2*2 |
| B. | 3*3 |
| C. | 4*4 |
| D. | 6*6 |
| Answer» B. 3*3 | |
| 175. |
To find the nodal displacements in all parts of the element, are used. |
| A. | shape function |
| B. | node function |
| C. | element function |
| D. | coordinate function |
| Answer» A. shape function | |
| 176. |
The nature of loading at various locations and other surfaces conditions called |
| A. | friction |
| B. | traction |
| C. | boundary condition |
| D. | surfacing |
| Answer» C. boundary condition | |
| 177. |
The truss element can resist only |
| A. | surface force |
| B. | axial force |
| C. | point load |
| D. | none of the above |
| Answer» B. axial force | |
| 178. |
The truss element can deform only in the |
| A. | vertical direction |
| B. | horizontal direction |
| C. | inclined direction |
| D. | axial direction |
| Answer» D. axial direction | |
| 179. |
Example for one – Dimensional element is . |
| A. | triangular element |
| B. | brick element |
| C. | truss element |
| D. | axisymmetric element |
| Answer» C. truss element | |
| 180. |
The determinant of an element stiffness matrix is always |
| A. | 3 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 181. |
How many nodes are there in a 3-D brick element? |
| A. | 3 |
| B. | 6 |
| C. | 8 |
| D. | 9 |
| Answer» C. 8 | |
| 182. |
From below, choose the condition for the axisymmetric element. |
| A. | Symmetric about axis |
| B. | Boundary conditions are symmetric about an axis |
| C. | Loading conditions are symmetric about an axis |
| D. | All the above |
| Answer» D. All the above | |
| 183. |
Axis-Symmetric element is Element |
| A. | 1D |
| B. | 2D |
| C. | 3D |
| D. | 4D |
| Answer» B. 2D | |
| 184. |
is/are the phase/s of finite element method |
| A. | Pre-processing |
| B. | Solution |
| C. | Post Processing |
| D. | None |
| Answer» C. Post Processing | |
| 185. |
The minimum number of dimensions are required to define the position of a point in space is . |
| A. | 3 |
| B. | 4 |
| C. | 1 |
| D. | 2 |
| Answer» A. 3 | |
| 186. |
The finite element methods can be applied in ---------areas. |
| A. | thermal |
| B. | soil and rock mechanics |
| C. | vibration |
| D. | all of the above |
| Answer» D. all of the above | |
| 187. |
If the structure is more complex in order to simplify the model, we need to subdivide the structure into substructures. These substructures are termed as . |
| A. | elements |
| B. | modules |
| C. | links |
| D. | models |
| Answer» B. modules | |
| 188. |
Which of the following is not a method for calculation of the stiffness matrix? |
| A. | The minimum potential energy principle |
| B. | Galerkin's principle |
| C. | Weighted residual method |
| D. | Inverse matrix method |
| Answer» D. Inverse matrix method | |
| 189. |
is defined as the ratio of the largest dimension of the element to the smallest dimension. |
| A. | Element depth ratio |
| B. | Mode shape ratio |
| C. | Aspect ratio |
| D. | None of the above |
| Answer» C. Aspect ratio | |
| 190. |
are used to express the geometry or shape of the element |
| A. | Mode shapes |
| B. | Shape functions |
| C. | Natural curves |
| D. | None of the above |
| Answer» B. Shape functions | |
| 191. |
When a thin plate is subjected to loading in its own plane only, the condition is called _ |
| A. | plane stress |
| B. | plane strain |
| C. | zero stress |
| D. | zero strain |
| Answer» A. plane stress | |
| 192. |
The characteristic of the shape function is |
| A. | the shape function has a unit value at one nodal point and zero value at the other nodes |
| B. | the sum of the shape function is equal to one |
| C. | both a & b |
| D. | None of the above |
| Answer» C. both a & b | |
| 193. |
The points in the entire structure are defined using the coordinates system is known as |
| A. | local coordinates system |
| B. | natural coordinates system |
| C. | global coordinate system |
| D. | none of the above |
| Answer» C. global coordinate system | |
| 194. |
The applications of the Finite Element Method in two-dimensional analyses are . |
| A. | stretching of plates |
| B. | gravity of dams |
| C. | axisymmetric shells |
| D. | all of the above |
| Answer» C. axisymmetric shells | |
| 195. |
If the body is in a state of equilibrium then the energy is minimum. This statement is considered in . |
| A. | inverse matrix method |
| B. | weighted residual method |
| C. | Galerkin’s principle |
| D. | the minimum potential energy principle |
| Answer» D. the minimum potential energy principle | |
| 196. |
Which of the following is true for the stiffness matrix (K)? |
| A. | K is a banded matrix |
| B. | K is un-symmetric |
| C. | K is an un-banded matrix |
| D. | none of the above |
| Answer» A. K is a banded matrix | |
| 197. |
The actual thickness of plane strain element is . |
| A. | very large |
| B. | very small |
| C. | assumed by software |
| D. | any of the above |
| Answer» A. very large | |
| 198. |
Which of the following is not an FEA package? |
| A. | ANSYS |
| B. | Nastran |
| C. | Abaqus |
| D. | AutoCAD |
| Answer» D. AutoCAD | |
| 199. |
Which of the following module of FEA is used to determine natural frequency? |
| A. | Static analysis |
| B. | Thermal analysis |
| C. | Modal analysis |
| D. | All of the above |
| Answer» C. Modal analysis | |
| 200. |
For thermal analysis, the field variable is |
| A. | stress |
| B. | strain |
| C. | displacement |
| D. | Temperature |
| Answer» D. Temperature | |
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